Refactor: continues to rewrite to TS

Build/lib/clash.ts

@@ -0,0 +1,28 @@
+// @ts-check
+import Trie from 'mnemonist/trie';
+
+// https://dreamacro.github.io/clash/configuration/rules.html
+const CLASH_SUPPORTED_RULE_TYPE = [
+  'DOMAIN',
+  'DOMAIN-SUFFIX',
+  'DOMAIN-KEYWORD',
+  'GEOIP',
+  'IP-CIDR',
+  'IP-CIDR6',
+  'SRC-IP-CIDR',
+  'SRC-PORT',
+  'DST-PORT',
+  'PROCESS-NAME',
+  'PROCESS-PATH'
+];
+
+export const surgeRulesetToClashClassicalTextRuleset = (rules: string[] | Set<string>) => {
+  const trie = Trie.from(rules);
+  return CLASH_SUPPORTED_RULE_TYPE.flatMap(
+    type => trie.find(`${type},`)
+  );
+};
+
+export const surgeDomainsetToClashDomainset = (domainset: string[]) => {
+  return domainset.map(i => (i[0] === '.' ? `+${i}` : i));
+};